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33320083ENVIRONMENTALSCIENCEANDMANAGEMENTVol133No13Mar.2008:2007-10-30:(1984-),,,,::1673-1212(2008)03-0089-04Fenton,(,221008):,COD,Fenton,CODH2O2FeSO47H2OpH,:30%H2O25mL/L,FeSO47H2O800mg/L,pH3.45,H2O2:Fe2+1515,COD3314%,BOD/COD0113901321,:Fenton;;;;:X703.5:AExperimentalStudyofFentonOxidationonPre-TreatmentofDyingWastewaterLuLu,LiuHanhu(SchoolofEnvironmentandSpatialInformatics,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)Abstract:Fentonreagentwasusedtotreatactualdyingwastewaterunderroomtemperature.FirsttheeffectofthedosageofFeSO47H2Oand30%H2O2,pHandreactiontimeonremovalefficiencyofCODwereinvestigated.Andthentheoptimumcon2ditionwasdeterminedviaorthogonalexperiment:theoptimumpHwas3145,andtheoptimumdosageofFeSO47H2Oand30%H2O2were800mg/Land5mL/L,respectively.Meanwhile,themolarratiowas1515,andCODremovalratewas33.4%,andBOD/CODratewas01321,itmeansthewastewaterwasbiodegradable.Keywords:Fentonreagent;pre-treatment;actualdyingwastewater;influentialfactors;orthogonalexperimentFenton,,Fenton,Fenton,,Fenton[1-2],,,Fenton,1Fenton1894H.J.Fenton[3-4],Fe2+/H2O2Fenton,Fenton2040,HaberWeissFentonH2O2Fe2+(HydroxylFreeRadical,OH),2173V,HO21.3VOH,56913kJ,,Fe2+Fe3+,[5-6],Fenton,:pHH2O2,,FeSO47H2O,,98©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(900mL),300mL(250mL),COD718.585214mg/L,400,pH3145,25,2.1H2O2FeSO47H2OH2O2FeSO47H2O,OH,,,,H2O2FeSO47H2O[7],,H2O2,FeSO47H2O,CODFeSO47H2O;FeSO47H2OH2O2,1H2O25mL/L,CODFeSO47H2O,FeSO47H2O,H2O2:Fe2+123191318,CODFeSO47H2O,400mg/L3215%,FeSO47H2O,COD,FeSO47H2OFenton,H2O2,,,,FeSO47H2O900mg/L,COD518%FeSO47H2O260/,H2O25mL/L,FeSO47H2O400800mg/L,H2O2:Fe2+31.015.5,18.89.4,COD30%FeSO47H2O800mg/L,H2O22FeSO47H2O800mg/L,CODH2O2,H2O25mL/L,COD34.3%FeSO47H2O,H2O2COD,H2O25mL/L,CODH2O2,H2O25mL/L,CODH2O2,CODFentonH2O2FeSO47H2O,,,H2O2:Fe2+24.8,,,Fenton,H2O2FeSO47H2O,OH,H2O2:OH+H2O2HO2+H2O,H2O2OH[8],H2O2OH,Fenton1FeSO47H2OCOD2H2O2COD2.2pH3FeSO47H2OH2O2,CODpHpH27,,pH3,COD34.7%09©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)1,2h5h2hCOD,;5h,COD,1H2O2CODH2O2H2O22h(12:10)5h(15:10)CODCODCODCOD110:10872.6-16.2560.325.4210:1011:10987.2-31.5523.230.33pHH2O2FeSO47H2O,,,2,H2O2:Fe2+12.43712,L9(34):4h,25,H2O2,,COD781.6mg/L,BOD5108.6mg/L,BOD5/COD0.13932AH2O2BpHCFeSO47H2O14mL/L2400mg/L25mL/L3.45600mg/L36mL/L4800mg/L3ABCCOD(mg/L)COD(%)1A1B1C1687.212.12A1B2C2531.232.03A1B3C3553.629.24A2B1C2627.219.85A2B2C3520.833.46A2B3C1664.015.07A3B1C3566.427.58A3B2C1604.822.69A3B3C2576.826.273.359.449.768.288.078.076.370.490.1/324.419.816.6/322.729.326.0/325.423.530.0D2.79.513.419©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:H2O25mL/L,FeSO47H2O800mg/L,pH3145,H2O2:Fe2+15.5,COD3314%,BOD/COD0.1390.32144.1,COD,,:H2O25mL/L,FeSO47H2O800mg/L,pH3.45,H2O2:Fe2+15.5,COD3314%,BOD/COD011390.3214.2Fenton,H2O2FeSO47H2O,,,,,,Fenton,H2O2:Fe2+15.5:14.3H2O2,CODH2O2OHH2O2,H2O2OH,FentonFentonH2O2FeSO47H2O,,,,Fenton,4.4pH7pH2FentonpH25,,,,,,:[1],.[J].,2005(5):319-320.[2],.Fenton[J].,2005,18(3):36-39.[3]IvoneteRossiBautitz,RaquelF.PupoNogueira.Deg2radationoftetracyclinebyphoto-FentonprocessSolarirradia2tionandmatrixeffects[J].JournalofPhotochemistryandPhoto2biologyA:Chemistry,2007,187:33-39.[4]A.Georgi,A.Schierz,U.Trommleretal.HumicacidmodifiedFentonreagentforenhancementoftheworkingpHrange[J].AppliedcatalysisB:Environmental,2007,72:26-36.[5]MarcoS.Lucas,AlbinoA.Dias,AnaSampaioetal.DegradationofatextilereactiveAzodyebyacombinedchemical-biologicalprocess:Fentonsreagent-yeast[J].WaterRe2search,2007,41:1103-1109.[6],.Fenton[J].,2006,35(4):202-204;210.[7]IpekGulkaya,GulermanA.Surucu,FilizB.Dilek.ImportanceofH2O2/Fe2+ratioinFentonstreatmentofacarpetdyeingwastewater[J].JournalofHazardousMaterialsB,2006,136:763-769.[8],,,.Fenton[J].,2002,28(3):46-49.(82)[6]YanK,LiRN,CuiM,etal.RemovalofNoxandSO2bybipolarcorona[J].Proceedingsof4thInternationalCon2ferenceonESP,Beijing,1990:37-39.[7],,,.NOSO2[J].,1994,22(1):17-22.[8].[J].,1997,5(5):75-80.[9]YanKeping.MatchingbetweenVoltagePulseGenera2torandReactorforProducingLowTemperaturePlasmabyPosi2tivePulseCorona[J].AppliedElectrostatics,Beijing,1993(7):83-95.[10],.[J].,2002,23(2):5-8.29©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.